Note
13. Click the Basic tab of the HardFX controls and increase the Weight setting to 35.0.
This increases the weight of the pieces when they break up, resulting in heavier
parts, which have more inertia and hit the ground faster. If you were animating
something like paper, this weight value would be less, about 5 or 10.
If you want to make sure the exploding pieces do not collide with each other, you can
choose Box from the Self Interaction drop-down on the Collision tab of the Object
Properties panel??™s Dynamics tab. Be careful, though, because this will greatly increase
calculation times.You can always cancel a calculation by pressing the Ctrl key.
Figure 14.28 Check the collision effector??™s
Start by Collision box to make the GlassWindow
object sit still until it breaks apart.
14. Click into Layout and select
the dynamic collision object.
Use the Dope Track to cut the
keyframe at frame 60 and
paste it at frame 20, and then
click Calculate again. This
increases the collision effector??™s
rate of acceleration as it
collides with GlassWindow,
and just like in the real world,
that increases the force of the
impact.
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